eclipse连接mysql_MySQL

mysql -u root

create database db;

use db;
create table user(id int, name varchar(20));
insert into user(id, name) values (1, 'hello');
insert into user(id, name) values(2, 'good');

import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import com.mysql.jdbc.Connection;

public class Conn {

	public static void main(String[] args) throws ClassNotFoundException, SQLException{
		Class.forName("com.mysql.jdbc.Driver");
		
		Connection conn = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/db",
				"root", "");
		Statement stmt = conn.createStatement();
		
		ResultSet rs = stmt.executeQuery("select * from user");
		
		while(rs.next()){
			System.out.println(rs.getInt(1) + " " + rs.getString(2));
		}
		
		if (rs != null)
			rs.close();
		if (stmt != null)
			stmt.close();
		if (conn != null)
			conn.close();
	}
}